Re: [Paparazzi-devel] Release of Paparazzi v4.2

On Fri, Dec 14, 2012 at 6:45 PM, Vicente Sarrió <address@hidden> wrote:

Yes I know. I use for measuring voltage and current the Attopilot sensor.

https://www.sparkfun.com/products/10643

To measuring air speed I use this sensor

http://store.diydrones.com/Breakout_Board_MPXV7002DP_p/br-0004-03.htm

Please for this spec, What is it best PPZ product (Tiny, TWOG, UMARIN,Lisa,...)?

Regards
2012/12/14 Hector Garcia de Marina <address@hidden>
The ADC in the microcontrollers employed in PPZ can only interface analog voltages. For measuring currents (such as measuring the battery consumption), you have to add extra instrumentation.
On Fri, Dec 14, 2012 at 9:09 AM, Vicente Sarrió <address@hidden> wrote:
Dear Heinrich

if the IMU option is more secure than IR sensors perhaps UMARIN could be a good option.
My question: For several analog inputs (current sensors, voltaje sensors, ... ), is it posible to manage with UMARIN?. I don't watch analog inputs like TWOG. Perhaps I2C I don't know...

Regards

Vicent
2012/12/13 Prof. Dr.-Ing. Heinrich Warmers <address@hidden>
Dear Vicen
i am confused for the analogue Inputs: 2 for Horizontal + one for contrast (but 6 IR sensors).
May bee you have to chnage 2 resistors in the IR sensor (3V Input of paparazzi 5V for the ARdupilot).
Twog is good for you or perhaps yapa. Umarin has the IMU on board
You can also use a low cost IMU from Drotek (17 Euro) for the Twog and Yapa.
Flying with imu is more save than flying with IR sensors.
good luck

Heinrich

Vicente Sarrió schrieb:
My name is Vicent Sarrió from Spain and I am very interested in UAV project. I have some expirience in autopilots in particular ARDUPILOT. I am amateur but I have degree in engeneer. I think that can solve basic problems ... and somethings more. Everything I need to know what I can substitute forward eager to learn.

I am finished a project of a solar plane. The design procedure has been to show in Phd. André Noth (Design of Solar Powered Airplanes
for Continuous Flight) in his Thesis. This reference was very useful and I think a brillant job. The report The Sun-Surfer
Design and construction of a solar powered MAV by Mr. Niels Diepeveen was very interesting also.

To center the question:
I need a autipilot to this project and I think the best option is paparazzi system.
I have IR sensor (horizontal and vertical) from ARDUPILOT. I need 5 analog input in airborne equipment. What best option in paparazzi project?. I think TWOG or Tiny 2.11 but I am not secure. Is it posibble to find a solution in newest developments (UMARIM)?.

Probably is a very obvious question but it is difficult to me.

My best regards

V. Sarrió

2012/12/13 Gautier Hattenberger <address@hidden>

Dear Paparazzi Community,

Before Christmas (and maybe the end of the world) the Paparazzi Development Team is please to announce the release of the Paparazzi v4.2.0 stable version.

Based on the last stable branch v4.0, this new release offer several improvements, especially the total energy control developed by TUDelft:

Total energy control

Improve Google map tiles download

Several updates on the Digital Cam and photogrammetry modules

WMM210 model

Rate limiter in airframes control laws

Uart flow control (stm32)

Bug fix for INS and AHRS filters

AP/FBW separation using spi or uart

Sensors fix and addition (GPS, current, baro)

For more information about the new features of the version see: https://github.com/paparazzi/paparazzi/blob/v4.2/CHANGELOG.md

The Paparazzi Team

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From:	Hector Garcia de Marina
Subject:	Re: [Paparazzi-devel] Release of Paparazzi v4.2
Date:	Fri, 14 Dec 2012 19:16:14 +0100